Choptank River Light
Encyclopedia
The Choptank River Light was a screw-pile lighthouse
Screw-pile lighthouse
A screw-pile lighthouse is a lighthouse which stands on piles that are screwed into sandy or muddy sea or river bottoms. The first screw-pile lighthouse was built by blind Irish engineer Alexander Mitchell...

 located near Oxford, Maryland
Oxford, Maryland
Oxford is a waterfront town and former colonial port in Talbot County, Maryland, United States. The population was 771 at the 2000 census.-History:Oxford is one of the oldest towns in Maryland...

. In its second incarnation it was the only such light moved from another location in the Chesapeake Bay
Chesapeake Bay
The Chesapeake Bay is the largest estuary in the United States. It lies off the Atlantic Ocean, surrounded by Maryland and Virginia. The Chesapeake Bay's drainage basin covers in the District of Columbia and parts of six states: New York, Pennsylvania, Delaware, Maryland, Virginia, and West...

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History

The first light at this location was built in 1871 by Francis A. Gibbons, replacing a lightship which was stationed there the previous year. A ten pile arrangement similar to that of the York Spit Light
York Spit Light
The York Spit Light was a lighthouse located at the mouth of the York River in the Chesapeake Bay, marking a long shoal paralleling the main channel into the river.-History:...

 in Virginia was used. Initially equipped with a sixth-order Fresnel lens
Fresnel lens
A Fresnel lens is a type of lens originally developed by French physicist Augustin-Jean Fresnel for lighthouses.The design allows the construction of lenses of large aperture and short focal length without the mass and volume of material that would be required by a lens of conventional design...

, it was upgraded to a fifth order lens in 1881 after ice piled up around the foundation and disturbed some of the outer piles, tilting the house slightly. A second ice flow in 1918 piled up 30 feet (9.1 m), knocking the house from the piles and destroying it.

Although consideration was given to using a caisson structure, it was decided instead to reuse the house from the Cherrystone Bar Light
Cherrystone Bar Light
The Cherrystone Bar Light was a lighthouse located at the entrance to Cape Charles, Virginia harbor in the Chesapeake Bay. It was the only light in the bay moved to another location, becoming the Choptank River Light in 1921.-History:...

, which had been deactivated in 1919. This was moved by barge and placed on a new six pile foundation in 1921, making the new light the only working lighthouse to be moved from one location to another in the bay. This light lasted until 1964, when the house was dismantled as part of the general program of eliminating such lights; a skeleton tower on the old piles replaced it.

A replica of the light is being built on the waterfront in Cambridge, Maryland
Cambridge, Maryland
Cambridge is a city in Dorchester County, Maryland, United States. The population was 12,326 at the 2010 census. It is the county seat of Dorchester County and the county's largest municipality...

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External links

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